Doesn't even need to be somebody smart (though it clearly was in this case), just somebody who's got the time, resources, and stubbornness to fight back.
Tactics like Moore's rely on his victims being too ashamed and scared to fight back. That's how predators operate.
Laws has done more than take down the most notorious revenge porn site on the web. She's created a roadmap. She's made it easier for other people to do the same. Mark Randazza (whose name you might recognize from the story) made quick work of
Is Anybody Down?, a copycat site that added the interesting twist of extorting its victims to pay to have their photos removed. (You gotta figure Moore is kicking himself for not thinking of that.)
There's also the turnabout element of the story. People who make a habit of posting their enemies' names and home addresses on popular websites cry the loudest when it happens to them.
If you think "Most Hated Man on the Internet" is something you actually WANT to be, then you have not thought things through.